JPH0446531Y2 - - Google Patents

Description

[Detailed explanation of the idea] (b) Industrial application fields The present invention relates to a threshing machine for threshing grain culms.

(b) Prior art In conventional threshing machines, the lower part of the handling chamber was covered with a receiving net.

(c) Problems to be solved by the invention In conventional threshing machines, when the grain culm is wet, small pieces of straw adhere to the receiving net and clog the mesh, preventing threshed grain from leaking out. The grain was damaged under load.

(d) Means for solving the problem The present invention provides a swinging sorter that swings in a direction parallel to the handling cylinder axis from the bottom of the handling cylinder 1 to the dust discharge section at the rear in the axial direction of the handling cylinder. In the threshing machine with 5 installed,
The receiving net 27 at the lower part of the handling chamber 2 is removed, and a blower is provided on the side of the machine body, and the blowing air is directed toward the lower part of the handling barrel 1 and the swinging sorter 5 through the blower outlet 16 of the blower.
By opening the air in a direction perpendicular to the swinging direction of the drum, an air curtain is formed at the bottom of the handling drum in place of a receiving net, and grains with high specific gravity are removed onto the swinging sorter below. Long straw and lumps are transferred to the lower part of the other side of the handling room by a jet of air from the side of the oscillating sorter and circulated, where they are transferred to the other side and remain on the oscillating sorter. The above-mentioned problem was solved by allowing the straw waste to be oscillatedly transferred to the rear of the handling chamber by the oscillating sorter and discharged from the dust removal section to the outside of the machine.

(e) Function The blower forms an air curtain at the lower part of the handling barrel by blowing air, and among the threshed grains generated in the handling chamber, those with a high specific gravity such as grains or ear cuts are shaken through the air curtain. Items that fall onto the dynamic sorter and are large and have a low specific gravity, such as long straw, are transferred to the other side by the blowing wind and are carried around by the handling teeth of the handling cylinder and processed.

In addition, the grains and straw waste remaining on the oscillating sorter are immediately oscillated to the rear of the handling room and sorted through a sieve, and the straw waste is discharged outside the machine from the dust exhaust section at the rear of the oscillating sorter. be done.

(f) Example An example of an embodiment of the present invention and related matters will be explained with reference to the drawings. In Figures 1 to 3, 1 is a handling cylinder mounted on a shaft in the handling room 2, and is installed below the handling room 2. In the sorting air path, which is composed of a blower windmill 3 and a dust removal windmill 4 consisting of a cross-flow fan installed at the top of the dust removal chamber, a swinging sorting body 5 consisting of two stages of upper and lower transfer sorting bodies is installed so as to be able to swing back and forth. The rear stroke rack 6 of the upper transfer sorting body faces the suction port of the dust removal windmill 4, and the sorting net 7 of the lower transfer sorting body
faces above the first receiving gutter 8, and the stroke rack 9 at the end faces above the second receiving gutter 10, and also faces the dust exhaust port 10.
heading towards a.

Further, a feed chain 12 and a pinch rail 13 are provided along the handling port 11.

The above-mentioned threshing machine is of the upper handling type in which the handling barrel 1 rotates clockwise in FIG. 2, and the inlet plate 2
A cross-flow fan 15 is mounted on the opposite side of the outlet plate 2b from the handling port 11, and the cross-flow fan 1
The spout 16 of 5 is open toward the lower surface of the handling cylinder 1, and is connected to the feed chain 12 and the pinching rail 13.
When the grain culm is fed to the starting end of the handling cylinder 1, the handling teeth 17...
The ears of grain inserted into the handling chamber 2 are subjected to grain threshing processing, and the generated threshed grains follow the rotation of the handling cylinder 1 and descend through the back side of the handling chamber 2.

At that time, the discharge air of the cross-flow fan 15 is
Since an air curtain is formed that blows toward the lower surface, the grains and ear fragments during threshing that are about to descend and fall directly below are dispersed toward the handling port 11 side, and are passed through the oscillating sorter 5. The objects that are relatively large and have a low specific gravity such as straw waste and lumps are transferred to the inclined plate 18 located at the lower part of the handling chamber 2 on the side of the handling port 11, and are removed by the handling teeth 17. The grains that are scraped up, further processed, and mixed in flow down the inclined plate 18.

Further, the grains, second grains, some straw waste, etc. that have fallen into the oscillating sorter 5 are transferred while being sieved by the perforated plate 19a, and the ear pieces and straw waste remaining on the perforated plate 19a are transferred to the upper stage. The straw waste is sieved by a straw rack 6, and the straw waste is discharged outside the machine by a dust removal windmill 4.

Furthermore, the transfer plate 1 leaks from the perforated plate 19a.
The grains transferred by 9 and those leaking near the base of the straw rack 6 are sieved by a sorting net 7 and at the same time wind-selected.
The remaining material is transferred to the rear stroke rack 9, and the material leaking from the upper stroke rack 6 is sieved and screened by the lower stroke rack 9, and the second material is It falls into the second receiving gutter 10 and is transferred by the second thrower 20 to the transfer plate 19.
The straw waste that has been returned to the front part of the straw rack 9 and transferred to the end of the stroke rack 9 is discharged from the dust outlet 10a to the outside of the machine.

Since the above-mentioned threshing machine does not have a receiving net on the lower surface of the handling chamber 2, it goes without saying that threshed grains do not stagnate in the handling chamber and the receiving net is never clogged.

Reference numeral 24 denotes a plurality of abutment plates diagonally installed on the perforated plate 19a, and the one on the side of the cross-flow fan 15 is lowered to the handling port 1.
By sequentially increasing the height of the first side, the grain removal can be evenly distributed in the width direction of the perforated plate 19a.

4 to 10 show another embodiment, which differs from the above embodiment in that a number of air deflectors 21 are provided at the outlet 16 of the cross-flow fan 15.
1 each have rectangular projections 22 on the top and bottom,
These projections 22 are loosely fitted into circular holes 23 formed in the upper and lower plates of the nozzle 16.
... are linked to the operating rod 25 by links 25a..., so that when the operating rod 25 is pushed or pulled, the angle of the air deflector 21... changes, and the air direction is directed diagonally backward toward the wet materials, thereby facilitating the transition of grain dehulling.

11-12 show another embodiment, which shows a casing 15 of a cross-flow fan 15.
This differs from the previous embodiments in that a can be moved up and down about the shaft 15b, and when the moisture content of grain removal is high or the amount of grain removed is large, it can be moved upward and vice versa. In such cases, it is possible to adjust the circulation of straw waste and lumps and the dispersion of grains, etc. to an appropriate state by turning it slightly downward.

13 and 14 show another embodiment, in which a cross-flow fan 15 is provided on the handling port 11 side, and an air curtain can be formed in the lower part of the handling cylinder 1. At the same time, the scattered particles from the handling port 11 can be sucked in and collected on the oscillating sorter 5, and a wind direction plate 26 can be screwed to the lower end of the inclined plate 18 to adjust its angle. Although not shown in the figure, a suitable locking means is attached so that it can be set at a desired angle to correspond to threshing conditions such as the amount of threshing or the moisture content. It is set as.

In addition, on the opposite side to the handling port 11, there is a receiving net 2 in the vertical direction.
7 is stretched out, and at the bottom end there is a straw-cutting sickle 28...
A reduction port 30 is attached to the upper part of the receiving net 27.
is provided.

In this embodiment, the wind direction of the cross-flow fan 15 is the same as that of the handling cylinder wind blown by the handling cylinder 1 and the handling tooth 1.
Since the direction is opposite to the throwing direction of grain threshing in step 7, grain threshing, especially the dispersion of lumps, can be carried out well, and the dispersed straw waste etc. are blown up through the passage 31 and sent to the handling chamber 2 from the reducing port 30. It is reduced within and further processed.

(G) Effect of the invention As mentioned above, the present invention includes a swing sorter 5 that swings in a direction parallel to the handling cylinder axis from the bottom of the handling cylinder 1 to the dust discharge section at the rear in the axial direction of the handling cylinder. In the threshing machine installed with
is opened so that the blowing air blows toward the lower part of the handling barrel 1 and in a direction perpendicular to the rocking direction of the rocking sorter 5, so that the receiving net 2 is placed in the lower part of the handling chamber 2.
7 can be formed, thereby completely eliminating clogging of the receiving net 27 in conventional threshing machines and preventing overloading of the handling cylinder 1.

Moreover, the grains and straw waste that are screened by the air curtain and fall onto the swinging sorter are moved by the swinging sorter in a direction perpendicular to the wind direction and are carried out from the bottom of the handling room to the rear. Therefore, even when it is wet and the threshing grains tend to form lumps, there is no clogging on the side opposite to the rotation direction of the handling drum, and even though the handling room does not have a catch screen, the threshing and sorting processes are always accurate. It can be performed.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention,
Figure 1 is a longitudinal sectional view of the thresher, Figure 2 is A of Figure 1.
-A sectional view, Fig. 3 is a plan view of the cross-flow fan, Fig. 4 to 10 show other embodiments, Fig. 4 is a cross-sectional view of the thresher, and Fig. 5 is a plan view of the cross-flow fan. Figure 6 is a perspective view of the same as above, Figure 7 is a plan view of the same as above showing adjustment of the wind direction plate, Figure 8a is a perspective view of the wind direction plate,
Fig. 9 is a perspective view showing the arrangement of the wind direction plates, Fig. 10 is a perspective view of the operating section, and Fig. 11-12
The figures show another embodiment; FIG. 11 is a cross-sectional view of the threshing machine, FIG. 12 is a plan view of the cross-flow fan,
13 and 14 show still another embodiment, in which FIG. 13 is a longitudinal cross-sectional view of the threshing machine, and FIG. 14 is a cross-sectional view of the same. 1... handling cylinder, 2... handling room, 5... rocking sorting body,
15...Cross flow fan.

Claims (1)

[Scope of utility model registration request] In a threshing machine in which a swing sorting body 5 is installed that swings in a direction parallel to the handling cylinder axis from the bottom of the handling cylinder 1 to the dust discharge part at the rear in the axial direction of the handling cylinder, a receiving screen at the bottom of the handling chamber 2 is installed. 27 is removed, an air blower is provided on the side of the machine, and the air blower has a blowout port 16 so that the ejected air is directed toward the lower part of the handling barrel 1 and in a direction perpendicular to the swinging direction of the swinging sorter 5. A threshing machine characterized by an opening that allows air to blow out.